Jeep Comanche

The 1987 Jeep Comanche may overheat due to several common issues, including a malfunctioning thermostat, which can prevent coolant from circulating properly. A clogged radiator or a failing water pump can also restrict coolant flow, leading to overheating. Additionally, low coolant levels or a leak in the cooling system can exacerbate the problem. Lastly, a malfunctioning fan or radiator fan switch might fail to cool the engine effectively.

For a 1988 Jeep Comanche with a 2.5-liter engine, the timing marks are typically located on the crankshaft pulley and the timing cover. The crankshaft pulley has a notch or mark that aligns with a corresponding mark on the timing cover. To set the correct timing, the engine should be at top dead center (TDC) on the compression stroke for cylinder number one. It's essential to use a timing light to ensure accurate ignition timing adjustment.

If your 1986 Jeep Comanche is idling but not running, it could be due to several issues. Common causes include fuel delivery problems, such as a clogged fuel filter or a failing fuel pump, which prevent adequate fuel from reaching the engine. Additionally, ignition system issues, like a faulty spark plug or distributor, could also be to blame. Checking these components can help identify the underlying problem.

The 1988 Jeep Comanche shares many components with the Jeep Cherokee (XJ) of the same era. Both vehicles utilize similar drivetrains, suspension systems, and interior parts, making them interchangeable in various aspects. Additionally, some exterior components may also be compatible, enhancing customization options for enthusiasts.

To remove the seat belts on a Jeep Comanche, first, locate the mounting bolts, typically found at the floor anchor point and the retractor assembly. Use a socket wrench to unscrew these bolts. Once the bolts are removed, gently pull the seat belt out of its housing. Ensure to keep all hardware for reinstallation if necessary.

To change the parking brake cable in a 1988 Jeep Comanche, start by safely lifting and supporting the vehicle. Remove the rear wheels and brake drums to access the parking brake components. Disconnect the old cable from the brake lever and the rear brakes, then install the new cable by reversing the process, ensuring it is properly adjusted for optimal performance. Finally, reassemble the brake components and test the parking brake for proper function before lowering the vehicle.

To replace the crankshaft position sensor on a 1994 Jeep Cherokee Laredo with a 4.0-liter engine, first disconnect the negative battery terminal to ensure safety. The sensor is located on the bell housing of the transmission, near the starter motor. Remove the electrical connector and the retaining bolt for the sensor, then pull it out. Install the new sensor by reversing the steps, ensuring a snug fit and reconnecting the battery.

To remove the distributor from a 1986 Jeep Comanche, first disconnect the negative battery cable to prevent any electrical issues. Then, remove the ignition coil and any wiring connected to the distributor. Next, unbolt the distributor hold-down clamp and carefully pull the distributor out, noting its position for reinstallation. Finally, ensure that the rotor and gear are not damaged during removal.

To seal the oil pan on a 1986 V6 Comanche, first, ensure the mating surfaces are clean and free of old gasket material or debris. Apply a bead of high-quality RTV silicone gasket maker along the oil pan's edge, ensuring even coverage without gaps. Carefully position the oil pan back onto the engine block, press it into place, and then install the bolts, tightening them to the manufacturer’s specified torque. Allow the sealant to cure according to the product instructions before adding oil and running the engine.

To reset the ECU of a 1991 Jeep Comanche, disconnect the negative battery terminal and leave it disconnected for about 15 minutes. This allows the ECU to clear its memory and reset. After that, reconnect the terminal and start the vehicle, which should reinitialize the ECU. It's also a good idea to drive the vehicle for a short distance to allow the ECU to relearn its settings.

The 1991 Jeep Comanche can accommodate a range of engines, primarily the 2.5L inline-four and the 4.0L inline-six engines. Additionally, some enthusiasts have successfully swapped in other engines, such as the 4.7L V8 from the Jeep Grand Cherokee. However, any engine swap may require modifications to the engine mounts, transmission, and drivetrain components to ensure proper fit and functionality.

The coolant capacity of a 1988 Jeep Comanche with a 4.0-liter engine is approximately 16 quarts, or about 4 gallons, including the overflow reservoir. It's important to check the owner's manual for specific details, as variations can occur based on the cooling system and configuration. Always ensure to use the appropriate coolant mixture for optimal performance.

To replace the passenger side window on a Jeep Comanche, start by removing the door panel to access the window mechanism. Carefully disconnect any wiring and remove the old window by loosening the window regulator or any clips holding it in place. Insert the new window into the channel, ensuring it's properly aligned, and then reassemble the window regulator and door panel. Finally, test the window to ensure it operates smoothly before finishing up.

To bleed the clutch on a 1988 Jeep Comanche, first ensure the vehicle is on a level surface and the engine is off. Locate the clutch master cylinder and remove the cap, then use a clear hose connected to the bleeder valve on the slave cylinder. Open the bleeder valve and pump the clutch pedal several times, holding it down while you close the valve to prevent air from entering. Repeat this process until no air bubbles appear in the fluid, then top off the master cylinder and replace the cap.

To adjust the valves on a 1990 Jeep Comanche, start by ensuring the engine is cold and remove the valve cover. Using a feeler gauge, check the clearance between the rocker arm and the valve stem for each cylinder, following the firing order. Adjust the valves by loosening the lock nut and turning the adjustment screw until the desired clearance is achieved, then tighten the lock nut. Repeat for each valve, then reinstall the valve cover and check for leaks.

The Jeep Comanche may experience power loss due to several factors, including issues with the fuel system, such as a clogged fuel filter or failing fuel pump, which can restrict fuel flow to the engine. Electrical problems, such as a weak battery or failing alternator, can also lead to inadequate power supply. Additionally, engine performance issues like a clogged air filter, faulty spark plugs, or problems with the ignition system can contribute to reduced power. Regular maintenance and diagnostics can help identify and address these issues.

To fix the speedometer on your Jeep Comanche, start by checking the speedometer cable for any signs of damage or disconnection. If the cable is intact, inspect the speedometer itself for any internal issues or wear. You may also want to examine the vehicle's transmission output shaft for the speedometer gear, ensuring it is properly installed and functioning. If necessary, replace the speedometer cable or the speedometer unit itself to restore proper functionality.

To change the coolant temperature sending unit on a 1988 Jeep Comanche, first, locate the sending unit, which is typically near the thermostat housing on the engine block. Disconnect the electrical connector and use a wrench to unscrew the old sending unit. Before installing the new unit, apply a small amount of thread sealant to the threads, then screw it in and tighten it securely. Finally, reconnect the electrical connector and check for any leaks after refilling the coolant if necessary.

To find the oil tube and dipstick for a 1988 Jeep Comanche, you can check with local auto parts stores, as they often carry replacement parts for older vehicles. Additionally, online retailers like RockAuto or eBay may have the components you need. If you're looking for used parts, consider visiting a junkyard that specializes in older vehicles. Always ensure compatibility with your specific engine model when purchasing parts.

To disconnect the firewall connector of the main harness in a Jeep Comanche, first ensure the vehicle is turned off and the battery is disconnected for safety. Locate the firewall connector, which is typically situated near the brake booster or on the driver’s side of the firewall. Press the release tab on the connector and gently pull it apart, taking care not to damage any wiring. Once disconnected, you can proceed with your repairs or inspections as needed.

Yes, a 5-speed transmission from an 1988 Jeep Cherokee can fit into an 1988 Jeep Comanche, as both vehicles share similar platforms and components. However, you may need to consider compatibility with the transfer case and ensure that the transmission mounts align properly. Additionally, modifications may be required for the shifter and linkage setup. Always verify specifics with detailed resources or forums for Jeep modifications.

To replace a passenger window in a 1987 Jeep Comanche, start by removing the door panel to access the window mechanism. Carefully disconnect any wiring and remove the old glass by unscrewing any brackets or clips holding it in place. Slide the new window into the track and secure it with the brackets or clips. Finally, reassemble the door panel and test the window operation.

Many parts from the 1984-1996 Jeep Cherokee XJ are compatible with the 1986 Jeep Comanche, including the axles, suspension components, and interior parts. The front and rear axles, particularly the Dana 30 and Dana 44, can be swapped. Additionally, the XJ's engine components, such as the 4.0L inline-six engine, can be adapted to fit the Comanche. Body panels and trim pieces may also be interchangeable, but it's essential to verify specific compatibility based on the model year and trim.

Yes, you can plow snow with a 1988 Jeep Comanche 2WD, but it's not ideal due to its lack of four-wheel drive, which can limit traction in deep snow or icy conditions. You would need to equip it with a suitable snow plow attachment and ensure the vehicle is properly maintained to handle the added weight and stress. However, using a 2WD vehicle for snow plowing may be less effective compared to a 4WD option, and caution should be exercised in challenging winter conditions.

The recommended tire pressure for a 1989 Jeep Comanche typically ranges from 26 to 32 psi, depending on the specific model and load conditions. It's best to check the owner's manual or the sticker located on the driver's side door jamb for the exact pressure for your particular vehicle. Maintaining the correct tire pressure is essential for safety, handling, and fuel efficiency.